. >>> hundreds of students at cal state fullerton have been on lockdown for hours as police search the campus for two robbery suspects. the men are accused of shooting a jewelry store employee before leading officers on a wild car chase that ended near the campus. police are not certain the men are still on the grounds, but they're going from room to room in several halls just to make sure. >>> we're learning more about the gunman in that oregon mall shooting. friends say jacob tyler roberts was friendly, outgoing, not the profile of the typical angry loner involved in these types of shootings. his former girlfriend even spoke about the relationship exclusively to abc news. >> this was the last thing i would have ever expected, especially from him. he was just too sweet. never mean to anybody. >> roberts's aunt who raised him expressed shock and sorrow, saying the violent behavior was simply out of character. >>> and there were incredible survival stories in the aftermath of the shooting. abc's david wright reports we can learn something from shoppers who lived through this unforgettab